<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <div id="app">
    =={{msg}}
    <hr />
   <ul>
    <li v-for="(item, index) in list" :key="index">
      {{item}} <input type="checkbox" v-model="arr" :value="item">
    </li>
   </ul>

   <ul>
    <li v-for="(item, index) in arr" :key="index">
      {{item}}
    </li>
   </ul>
  </div>
  <script src="https://cdn.bootcdn.net/ajax/libs/vue/2.7.14/vue.min.js"></script>
  <script>
    var vm = new Vue({
      el: "#app",
      data: {
        msg: 'hello  vue',
        list:["科幻", "喜剧", "动漫", "冒险", "科技", "军事", "娱乐", "奇闻"],
        arr:[]
      },
    })

    // console.log(vm, 2222);
  </script>
</body>

</html>
